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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
The peculiar epidemiology of dracunculiasis in Chad
American Journal of Tropical Medicine and Hygiene, Volume 90, No. 1, Year 2014
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Description
Dracunculiasis was rediscovered in Chad in 2010 after an apparent absence of 10 years. In April 2012 active village-based surveillance was initiated to determine where, when, and how transmission of the disease was occurring, and to implement interventions to interrupt it. The current epidemiologic pattern of the disease in Chad is unlike that seen previously in Chad or other endemic countries, i.e., no clustering of cases by village or association with a common water source, the average number of worms per person was small, and a large number of dogs were found to be infected. Molecular sequencing suggests these infections were all caused by Dracunculus medinensis. It appears that the infection in dogs is serving as the major driving force sustaining transmission in Chad, that an aberrant life cycle involving a paratenic host common to people and dogs is occurring, and that the cases in humans are sporadic and incidental. Copyright © 2014 by The American Society of Tropical Medicine and Hygiene.
Authors & Co-Authors
Eberhard, Mark L.
United States, Atlanta
Centers for Disease Control and Prevention
Ruiz-Tibén, Ernesto E.
United States, Atlanta
The Carter Center
Hopkins, Donald R.
United States, Atlanta
The Carter Center
Farrell, Corey
United States, Atlanta
The Carter Center
Toe, Fernand
United States, Atlanta
The Carter Center
Weiss, Adam J.
United States, Atlanta
The Carter Center
Withers, P. Craig
United States, Atlanta
The Carter Center
Jenks, M. Harley
United States, Atlanta
Centers for Disease Control and Prevention
Thiele, Elizabeth A.
United States, Atlanta
Centers for Disease Control and Prevention
Cotton, James A.
United Kingdom, Hinxton
Wellcome Sanger Institute
Hance, Zahra
United Kingdom, Hinxton
Wellcome Sanger Institute
Holroyd, Nancy
United Kingdom, Hinxton
Wellcome Sanger Institute
Cama, Vitaliano A.
United States, Atlanta
Centers for Disease Control and Prevention
Tahir, Mahamat Ali
Chad, N'djamena
Ministry of Public Health
Moundai, Tchonfienet
Chad, N'djamena
Ministry of Public Health
Statistics
Citations: 120
Authors: 15
Affiliations: 4
Identifiers
Doi:
10.4269/ajtmh.13-0554
ISSN:
00029637
Research Areas
Environmental
Health System And Policy
Study Locations
Chad